-----Original Message-----
From: Jan Luehe <Jan.Luehe_at_Sun.COM>
To: dev_at_glassfish.dev.java.net
Date: Thu, 07 Dec 2006 09:22:46 -0800
Subject: Re: error-page encoding problem
>
> Hi Dmitry,
>
> Dmitry Mozheyko wrote On 12/06/06 22:21,:
>
> >-----Original Message-----
> >From: Jan Luehe <Jan.Luehe_at_Sun.COM>
> >To: dev_at_glassfish.dev.java.net
> >Date: Wed, 06 Dec 2006 14:55:18 -0800
> >Subject: Re: error-page encoding problem
> >
> >
> >
> >>Hi Dmitry,
> >>
> >>Dmitry Mozheyko wrote On 12/06/06 02:54,:
> >>
> >>
> >>
> >>>Hi all!
> >>>I use glassfish-v2-b27 and i need to custom error page
> >>>web.xml:
> >>>
> >>>...
> >>> <error-page>
> >>> <exception-type>java.lang.Throwable</exception-type>
> >>> <location>/error.jsp</location>
> >>> </error-page>
> >>> <error-page>
> >>> <error-code>403</error-code>
> >>> <location>/error403.jsp</location>
> >>> </error-page>
> >>> <error-page>
> >>> <error-code>404</error-code>
> >>> <location>/error404.jsp</location>
> >>> </error-page>
> >>>...
> >>>
> >>>
> >>>
> >>>Both error403.jsp and error404.jsp pages correctly showing UTF-8 symbols, but error.jsp:
> >>>
> >>><%_at_page contentType="text/html"%>
> >>><%_at_page pageEncoding="UTF-8"%>
> >>><jsp:include page="jspf/header.jsp" />
> >>><b>Ошибка:</b><br />
> >>><%=((Throwable)request.getAttribute("javax.servlet.error.exception")).toString()%><br />
> >>><button onclick="goback()">Назад</button>
> >>><jsp:include page="jspf/footer.jsp" />
> >>>
> >>>
> >>>
> >>>Show '?' signes instead russian symbols.
> >>>
> >>>
> >>>
> >>>
> >>I've extended our unit test to also cover the scenario you've described,
> >>and I'm unable
> >>to reproduce the issue.
> >>
> >>What is the value of the Content-Type header of your response?
> >>
> >>Could it be that you have already written output to the response writer
> >>*before*
> >>the Throwable is raised and the request is forwarded to "/error.jsp"?
> >>
> >>If so, it will be impossible for "/error.jsp" to change the response
> >>encoding,
> >>which is why you are seeing the '?' in the response.
> >>
> >>An error page is able to set the response encoding only if no output has
> >>been
> >>written to the response before the error page is invoked.
> >>
> >>Hope this helps.
> >>
> >>
> >
> >Thank you, Jan.
> >
> >My servlet the Throwable is raised calls this code
> >
> >response.setContentType("text/html;charset=UTF-8");
> >response.setCharacterEncoding("UTF-8");
> >
> >at the begin of 'processRequest' method, BEFORE ServletException throws.
> >
> >After i have refactored my servlet-code UTF-symbols o error.jsp began to be displayed correctly.
> >
> >
> >WBR, Dmitry
> >
> >
>
> Glad this is working!
>
> But the above calls in your servlet should not have prevented this from
> working in the first place, unless your servlet already did output data
> to the response before throwing the exception.
>
> Was that the case, or can you describe how you've refactored your
> servlet in order to make this work?
>
> Thanks,
>
>
> Jan
>
My old servlet has:
...
try {
response.setContentType("text/html;charset=UTF-8");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
...
out.print(functionThatCanThrowsException());
...
} catch (MyOwnException e) {
throw new ServletException(e.toString());
}
...
And i refactor it into:
...
String body = "";
try {
body = functionThatCanThrowsException();
} catch (MyOwnException e) {
throw new ServletException(e.toString());
}
response.setContentType("text/html;charset=UTF-8");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
...
out.print(body);
...
...
>
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